protection_fault: pf_anchor_global_RB_REMOVE (3)
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syzbot
Mar 28, 2026, 2:46:41 AM (9 days ago) Mar 28
to syzkaller-o...@googlegroups.com
Hello,
syzbot found the following issue on:
HEAD commit: 9d790fdba930 catgets(3): set errno when a message isn't fo..
git tree: openbsd
console output: https://syzkaller.appspot.com/x/log.txt?x=108336da580000
kernel config: https://syzkaller.appspot.com/x/.config?x=7058272de1526588
dashboard link: https://syzkaller.appspot.com/bug?extid=839c1d9df91ce3820b90
Unfortunately, I don't have any reproducer for this issue yet.
Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/92457719f111/disk-9d790fdb.raw.xz
bsd.gdb: https://storage.googleapis.com/syzbot-assets/9e878663ae8a/bsd-9d790fdb.gdb.xz
kernel image: https://storage.googleapis.com/syzbot-assets/746d3191b882/kernel-9d790fdb.xz
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+839c1d...@syzkaller.appspotmail.com
kernel: protection fault trap, code=0
Stopped at pf_anchor_global_RB_REMOVE+0x81: movq 0(%r12),%r15
ddb{0}>
ddb{0}> set $lines = 0
ddb{0}> set $maxwidth = 0
ddb{0}> show panic
the kernel did not panic
ddb{0}> trace
pf_anchor_global_RB_REMOVE(ffffffff83a947b8,ffff80000166f250) at pf_anchor_global_RB_REMOVE+0x81 sys/net/pf_ruleset.c:82
pf_remove_if_empty_ruleset(ffff80000166f6e0) at pf_remove_if_empty_ruleset+0x12d sys/net/pf_ruleset.c:301
pfi_dynaddr_setup(ffff80000156cfe8,2,1) at pfi_dynaddr_setup+0x671 sys/net/pf_if.c:508
pf_addr_setup(ffffffff83a94c50,ffff80000156cfe8,2) at pf_addr_setup+0x46 sys/net/pf_ioctl.c:948
pfioctl(14900,cd604404,ffff8000015fc000,2,ffff80002a240d18) at pfioctl+0xa2d9 sys/net/pf_ioctl.c:2403
VOP_IOCTL(fffffd805eb71d88,cd604404,ffff8000015fc000,2,fffffd80097fd138,ffff80002a240d18) at VOP_IOCTL+0xac sys/kern/vfs_vops.c:264
vn_ioctl(fffffd806c7de7c8,cd604404,ffff8000015fc000,ffff80002a240d18) at vn_ioctl+0xf8 sys/kern/vfs_vnops.c:531
sys_ioctl(ffff80002a240d18,ffff80003c411330,ffff80003c411280) at sys_ioctl+0x674 sys/kern/sys_generic.c:-1
syscall(ffff80003c411330) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80003c411330) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:783
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x37a267909e0, count: -10
ddb{0}> show registers
rdi 0xffff80002ab9d000
rsi 0x13f9 __ALIGN_SIZE+0x3f9
rbp 0xffff80003c410cf0
rbx 0xffffffff83a947b8 pf_anchors
rdx 0xffff80002ab9d000
rcx 0x13f8 __ALIGN_SIZE+0x3f8
rax 0xffffffff82c9a13f pf_anchor_global_RB_REMOVE+0x2f
r8 0x3fc
r9 0x1323 __ALIGN_SIZE+0x323
r10 0xe56846876135e6a6
r11 0xab4532069d37978
r12 0xac00e8d022fa382b
r13 0x1
r14 0xffff80000166f250
r15 0xb17b429f71fee342
rip 0xffffffff82c9a191 pf_anchor_global_RB_REMOVE+0x81
cs 0x8
rflags 0x10286 __ALIGN_SIZE+0xf286
rsp 0xffff80003c410ca0
ss 0x10
pf_anchor_global_RB_REMOVE+0x81: movq 0(%r12),%r15
ddb{0}> show proc
PROC (syz-executor) tid=523851 pid=5431 tcnt=2 stat=onproc
flags process=0 proc=4000000<THREAD>
runpri=32, usrpri=50, slppri=32, nice=20
wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0
forw=0xffffffffffffffff, list=0xffff80002a2402b8,0xffffffff839efa38
process=0xffff8000fffec4e8 user=0xffff80003c40c000, vmspace=0xfffffd806c9129a0
estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0
ddb{0}> ps
PID TID PPID UID S FLAGS WAIT COMMAND
5431 505781 79285 0 3 0x80 fsleep syz-executor
* 5431 523851 79285 0 7 0x4000000 syz-executor
95972 490047 71034 0 3 0x80 fsleep syz-executor
95972 268947 71034 0 3 0x4000080 fifor syz-executor
18836 113961 84880 0 3 0x80 fsleep syz-executor
18836 227666 84880 0 3 0x4000080 kqread syz-executor
47200 266538 32333 0 3 0x90 fsleep syz-executor
47200 237020 32333 0 3 0x4000090 pipewr syz-executor
19276 513260 69550 0 3 0x80 fsleep syz-executor
19276 132201 69550 0 3 0x4000080 ttyout syz-executor
36042 521595 18417 0 3 0x80 fsleep syz-executor
36042 175840 18417 0 3 0x4000080 semwait syz-executor
89872 222835 97106 0 3 0x80 fsleep syz-executor
89872 254742 97106 0 7 0x4000000 syz-executor
24303 332731 99939 0 3 0x80 fsleep syz-executor
24303 431513 99939 0 3 0x4000080 sbwait syz-executor
84880 158020 40989 0 3 0x82 nanoslp syz-executor
97106 285158 40989 0 2 0xc82 syz-executor
32333 232249 40989 0 2 0xc82 syz-executor
71034 419863 40989 0 3 0x82 nanoslp syz-executor
69550 434713 40989 0 3 0x82 nanoslp syz-executor
18417 189183 40989 0 3 0x82 nanoslp syz-executor
79285 471699 40989 0 3 0x82 nanoslp syz-executor
99939 313664 40989 0 3 0x82 nanoslp syz-executor
40989 469904 51204 0 3 0x82 kqread syz-executor
51204 241154 39087 0 3 0x10008a sigsusp ksh
39087 489652 86741 0 3 0x98 kqread sshd-session
86741 168870 23680 0 3 0x92 kqread sshd-session
66765 334530 1 0 3 0x100083 ttyin getty
23680 386393 1 0 3 0x88 kqread sshd
19789 286824 45346 74 3 0x1100092 bpf pflogd
45346 53550 1 0 3 0x80 sbwait pflogd
79570 314047 95871 73 3 0x1100090 kqread syslogd
95871 193120 1 0 3 0x100082 sbwait syslogd
81716 203390 1 0 3 0x100080 kqread resolvd
46909 160487 64211 77 3 0x100092 kqread dhcpleased
1274 210779 64211 77 3 0x100092 kqread dhcpleased
64211 248301 1 0 3 0x80 kqread dhcpleased
77862 42612 0 0 3 0x14200 bored smr
98093 35906 0 0 3 0x14200 pgzero zerothread
11344 522211 0 0 3 0x14200 aiodoned aiodoned
18862 420779 0 0 3 0x14200 syncer update
78008 345411 0 0 3 0x14200 cleaner cleaner
55232 361363 0 0 3 0x14200 reaper reaper
3185 521880 0 0 3 0x14200 pgdaemon pagedaemon
84003 206758 0 0 3 0x14200 bored viomb
23840 327805 0 0 3 0x40014200 acpi0 acpi0
56195 359392 0 0 3 0x40014200 idle1
41757 224318 0 0 3 0x14200 bored softnet1
62517 465641 0 0 3 0x14200 bored softnet0
52273 467163 0 0 3 0x14200 bored systqmp
3069 507233 0 0 3 0x14200 bored systq
23448 86521 0 0 3 0x14200 tmoslp softclockmp
49149 216523 0 0 3 0x40014200 tmoslp softclock
65174 141912 0 0 3 0x40014200 idle0
1 53460 0 0 3 0x82 wait init
0 0 -1 0 3 0x10010200 scheduler swapper
ddb{0}> show all locks
Process 5431 (syz-executor) thread 0xffff80002a240d18 (523851)
exclusive rwlock pf_lock r = 0 (0xffffffff838fbfc8)
#0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160
#1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320
#2 pfioctl+0x9cc9 sys/net/pf_ioctl.c:2363
#3 VOP_IOCTL+0xac sys/kern/vfs_vops.c:264
#4 vn_ioctl+0xf8 sys/kern/vfs_vnops.c:531
#5 sys_ioctl+0x674 sys/kern/sys_generic.c:-1
#6 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#6 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:783
#7 Xsyscall+0x128
exclusive rwlock netlock r = 0 (0xffffffff83923520)
#0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160
#1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320
#2 pfioctl+0x9cb4 sys/net/pf_ioctl.c:2362
#3 VOP_IOCTL+0xac sys/kern/vfs_vops.c:264
#4 vn_ioctl+0xf8 sys/kern/vfs_vnops.c:531
#5 sys_ioctl+0x674 sys/kern/sys_generic.c:-1
#6 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#6 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:783
#7 Xsyscall+0x128
exclusive rwlock pfioctl_rw r = 0 (0xffffffff838fc058)
#0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160
#1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320
#2 pfioctl+0x1d4 sys/net/pf_ioctl.c:2102
#3 VOP_IOCTL+0xac sys/kern/vfs_vops.c:264
#4 vn_ioctl+0xf8 sys/kern/vfs_vnops.c:531
#5 sys_ioctl+0x674 sys/kern/sys_generic.c:-1
#6 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#6 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:783
#7 Xsyscall+0x128
exclusive kernel_lock &kernel_lock r = 0 (0xffffffff839708c0)
#0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160
#1 vn_ioctl+0x4d sys/kern/vfs_vnops.c:514
#2 sys_ioctl+0x674 sys/kern/sys_generic.c:-1
#3 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#3 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:783
#4 Xsyscall+0x128
Process 89872 (syz-executor) thread 0xffff8000fffe94e8 (254742)
exclusive rrwlock inode r = 0 (0xfffffd807aaf2ed0)
#0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160
#1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320
#2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:621
#3 VOP_LOCK+0xbd sys/kern/vfs_vops.c:527
#4 vn_lock+0xa4 sys/kern/vfs_vnops.c:570
#5 vn_write+0x18f sys/kern/vfs_vnops.c:405
#6 dofilewritev+0x2bd sys/kern/sys_generic.c:384
#7 sys_write+0xa2 sys/kern/sys_generic.c:300
#8 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#8 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:783
#9 Xsyscall+0x128
ddb{0}> show malloc
Type InUse MemUse HighUse Limit Requests Type Lim
devbuf 11084 12117K 12295K 166960K 12483 0
pcb 18 14K 16K 166960K 133 0
rtable 225 9K 9K 166960K 414 0
pf 43 19K 22K 166960K 103 0
ifaddr 42 6K 7K 166960K 64 0
ifgroup 62 2K 2K 166960K 101 0
sysctl 4 1K 9K 166960K 9 0
counters 84 38K 38K 166960K 114 0
ioctlops 1 4K 4K 166960K 1576 0
iov 0 0K 16K 166960K 51 0
mount 1 1K 1K 166960K 1 0
log 0 0K 0K 166960K 4 0
vnodes 1366 86K 87K 166960K 1651 0
UFS quota 1 32K 32K 166960K 1 0
UFS mount 5 36K 36K 166960K 5 0
shm 2 20K 24K 166960K 12 0
VM map 2 1K 1K 166960K 2 0
sem 12 0K 0K 166960K 19 0
dirhash 12 2K 2K 166960K 12 0
ACPI 1692 195K 286K 166960K 12470 0
file desc 18 65K 97K 166960K 401 0
sigio 1 0K 0K 166960K 2 0
proc 72 115K 180K 166960K 587 0
subproc 72 4K 4K 166960K 74 0
NFS srvsock 1 0K 0K 166960K 1 0
NFS daemon 1 16K 16K 166960K 1 0
ip_moptions 1 0K 0K 166960K 33 0
in_multi 78 5K 7K 166960K 117 0
ether_multi 1 0K 0K 166960K 7 0
mrt 0 0K 0K 166960K 13 0
ISOFS mount 1 32K 32K 166960K 1 0
MSDOSFS mount 1 16K 16K 166960K 1 0
ttys 79 360K 360K 166960K 79 0
exec 0 0K 1K 166960K 396 0
fusefs mount 1 32K 32K 166960K 1 0
tdb 3 0K 0K 166960K 3 0
VM swap 8 62K 64K 166960K 10 0
UVM amap 240 159K 178K 166960K 5474 0
UVM aobj 8 4K 4K 166960K 11 0
pinsyscall 43 86K 108K 166960K 1548 0
memdesc 1 4K 4K 166960K 1 0
crypto data 1 1K 1K 166960K 1 0
ip6_options 2 0K 0K 166960K 9 0
NDP 16 0K 2K 166960K 42 0
temp 45 9076K 9140K 166960K 22273 0
kqueue 17 26K 26K 166960K 79 0
SYN cache 2 8K 16K 166960K 3 0
ddb{0}> show all pools
Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle
plcache 128 26 0 0 1 0 1 1 0 8 0
rtpcb 120 47 0 44 1 0 1 1 0 8 0
rtentry 176 115 0 22 6 0 6 6 0 8 1
unpcb 144 173 0 150 2 0 2 2 0 8 0
syncache 336 5 0 5 2 1 1 1 0 8 1
tcpcb 736 72 0 66 1 0 1 1 0 8 0
arp 136 18 0 2 1 0 1 1 0 8 0
inpcb 328 313 0 303 7 2 5 7 0 8 3
nd6 152 25 0 6 1 0 1 1 0 8 0
pkpcb 40 5 0 5 2 1 1 1 0 8 1
kcovpl 48 8 0 0 1 0 1 1 0 8 0
ppxss 1192 15 0 9 2 1 1 1 0 8 0
pppxif 1576 3 0 3 1 0 1 1 0 8 1
pffrag 232 2 0 0 1 0 1 1 0 482 0
pffrnode 88 2 0 0 1 0 1 1 0 8 0
pffrent 40 4 0 1 1 0 1 1 0 8 0
pfosfp 40 1428 0 1005 5 0 5 5 0 8 0
pfosfpen 112 1428 0 714 21 0 21 21 0 8 0
pfrktable 1344 4 3 3 1 0 1 1 0 8 0
pfanchor 1288 2 0 2 1 0 1 1 0 8 1
pfstitem 24 34 0 1 1 0 1 1 0 8 0
pfstkey 128 34 0 1 2 0 2 2 0 8 0
pfstate 448 34 0 1 4 0 4 4 0 8 0
pfrule 1360 25 0 19 2 1 1 2 0 8 0
art_heap8 4096 1 0 0 1 0 1 1 0 8 0
art_heap4 256 467 0 96 29 1 28 29 0 8 2
art_table 40 468 0 96 5 0 5 5 0 8 0
art_node 32 115 0 30 1 0 1 1 0 8 0
sysvmsgpl 40 3 0 2 1 0 1 1 0 8 0
semupl 112 1 0 1 1 1 0 1 0 8 0
semapl 112 17 0 7 1 0 1 1 0 8 0
shmpl 112 8 0 3 1 0 1 1 0 8 0
dirhash 1024 17 0 0 3 0 3 3 0 8 0
dino2pl 256 2132 0 664 93 0 93 93 0 8 0
ffsino 296 2132 0 664 114 0 114 114 0 8 0
nchpl 144 2676 0 970 64 0 64 64 0 8 0
rtmask 32 4 0 2 3 2 1 1 0 8 0
vnodes 216 2375 0 0 132 0 132 132 0 8 0
namei 1024 8484 0 8484 2 1 1 1 0 8 1
percpumem 16 72 0 15 1 0 1 1 0 8 0
pfiaddrpl 120 3 0 2 1 0 1 1 0 8 0
kstatmem 264 56 0 20 3 0 3 3 0 8 0
scsiplug 72 2 0 2 1 0 1 1 0 8 1
scxspl 216 16530 0 16530 11 3 8 8 1 8 8
plimitpl 152 72 0 54 1 0 1 1 0 8 0
sigapl 424 716 0 668 8 2 6 7 0 8 0
knotepl 120 304 0 0 10 0 10 10 0 8 0
kqueuepl 224 105 0 89 1 0 1 1 0 8 0
pipepl 344 137 0 109 3 0 3 3 0 8 0
fdescpl 528 699 0 667 3 0 3 3 0 8 0
filepl 160 3250 0 3005 13 2 11 13 0 8 0
lockfpl 104 119 0 116 1 0 1 1 0 8 0
lockfspl 48 50 0 47 1 0 1 1 0 8 0
sessionpl 144 96 0 87 1 0 1 1 0 8 0
pgrppl 48 108 0 91 1 0 1 1 0 8 0
ucredpl 104 376 0 361 1 0 1 1 0 8 0
zombiepl 144 668 0 668 1 0 1 1 0 8 1
processpl 1232 716 0 668 5 1 4 5 0 8 0
procpl 664 1141 0 1085 7 1 6 6 0 8 1
sockpl 752 545 0 509 10 2 8 10 0 8 4
mcl64k 65536 5 0 0 1 0 1 1 0 8 0
mcl16k 16384 6 0 0 1 0 1 1 0 8 0
mcl12k 12288 1 0 0 1 0 1 1 0 8 0
mcl9k 9216 1 0 0 1 0 1 1 0 8 0
mcl8k 8192 2 0 0 1 0 1 1 0 8 0
mcl4k 4096 112 0 0 14 0 14 14 0 8 0
mcl2k 2048 19 0 0 3 0 3 3 0 8 0
mtagpl 96 3 0 0 1 0 1 1 0 8 0
mbufpl 256 189 0 0 12 0 12 12 0 8 0
bufpl 280 8833 0 2562 449 0 449 449 0 8 0
anonpl 32 8576 0 0 70 0 70 70 0 246 0
amapchunkpl 152 17818 0 17247 30 0 30 30 0 158 6
amappl16 200 2802 0 2767 20 5 15 15 0 8 6
amappl15 192 6 0 6 1 1 0 1 0 8 0
amappl14 184 530 0 529 1 0 1 1 0 8 0
amappl13 176 123 0 111 1 0 1 1 0 8 0
amappl12 168 946 0 915 2 0 2 2 0 8 0
amappl11 160 7 0 7 1 1 0 1 0 8 0
amappl10 152 68 0 53 1 0 1 1 0 8 0
amappl9 144 264 0 264 1 1 0 1 0 8 0
amappl8 136 115 0 113 1 0 1 1 0 8 0
amappl7 128 173 0 160 1 0 1 1 0 8 0
amappl6 120 165 0 164 1 0 1 1 0 8 0
amappl5 112 100 0 89 1 0 1 1 0 8 0
amappl4 104 293 0 273 1 0 1 1 0 8 0
amappl3 96 3236 0 3116 4 0 4 4 0 8 1
amappl2 88 528 0 467 2 0 2 2 0 8 0
amappl1 80 10914 0 10305 16 0 16 16 0 8 2
amappl 88 4699 0 4531 5 0 5 5 0 92 1
uvmvnodes 80 109 0 0 3 0 3 3 0 8 0
dma4096 4096 1 0 1 1 1 0 1 0 8 0
dma2048 2048 1 0 1 1 0 1 1 0 8 1
dma1024 1024 1 0 0 1 0 1 1 0 8 0
dma256 256 6 0 6 1 1 0 1 0 8 0
dma128 128 254 0 254 2 1 1 1 0 8 1
dma64 64 6 0 6 1 1 0 1 0 8 0
dma32 32 7 0 7 1 1 0 1 0 8 0
dma16 16 18 0 17 1 0 1 1 0 8 0
aobjpl 72 10 0 3 1 0 1 1 0 8 0
uaddrrnd 24 699 0 667 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 699 0 667 1 0 1 1 0 8 0
vmmpekpl 168 7340 0 7305 2 0 2 2 0 8 0
vmmpepl 168 52832 0 50855 97 0 97 97 0 357 4
vmsppl 488 698 0 667 5 0 5 5 0 8 1
rwobjpl 80 17768 0 16708 29 2 27 27 0 8 0
pdppl 4096 1405 0 1334 107 36 71 87 0 8 0
pvpl 32 15591 0 0 126 0 126 126 0 265 0
pmappl 256 698 0 667 3 0 3 3 0 8 0
extentpl 40 45 0 27 1 0 1 1 0 8 0
phpool 112 283 0 42 8 0 8 8 0 8 0
ddb{0}> machine ddbcpu 0
Invalid cpu 0
ddb{0}> trace
pf_anchor_global_RB_REMOVE(ffffffff83a947b8,ffff80000166f250) at pf_anchor_global_RB_REMOVE+0x81 sys/net/pf_ruleset.c:82
pf_remove_if_empty_ruleset(ffff80000166f6e0) at pf_remove_if_empty_ruleset+0x12d sys/net/pf_ruleset.c:301
pfi_dynaddr_setup(ffff80000156cfe8,2,1) at pfi_dynaddr_setup+0x671 sys/net/pf_if.c:508
pf_addr_setup(ffffffff83a94c50,ffff80000156cfe8,2) at pf_addr_setup+0x46 sys/net/pf_ioctl.c:948
pfioctl(14900,cd604404,ffff8000015fc000,2,ffff80002a240d18) at pfioctl+0xa2d9 sys/net/pf_ioctl.c:2403
VOP_IOCTL(fffffd805eb71d88,cd604404,ffff8000015fc000,2,fffffd80097fd138,ffff80002a240d18) at VOP_IOCTL+0xac sys/kern/vfs_vops.c:264
vn_ioctl(fffffd806c7de7c8,cd604404,ffff8000015fc000,ffff80002a240d18) at vn_ioctl+0xf8 sys/kern/vfs_vnops.c:531
sys_ioctl(ffff80002a240d18,ffff80003c411330,ffff80003c411280) at sys_ioctl+0x674 sys/kern/sys_generic.c:-1
syscall(ffff80003c411330) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80003c411330) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:783
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x37a267909e0, count: -10
ddb{0}> machine ddbcpu 1
Stopped at x86_ipi_db+0x27: addq $0x8,%rsp
ddb{1}> trace
x86_ipi_db(ffff8000299bdff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:394
x86_ipi_handler() at x86_ipi_handler+0xd9 sys/arch/amd64/amd64/ipi.c:106
Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27
__mp_lock(ffffffff839700c0) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:142 [inline]
__mp_lock(ffffffff839700c0) at __mp_lock+0x192 sys/kern/kern_lock.c:173
__mp_acquire_count(ffffffff839700c0,1) at __mp_acquire_count+0x58 sys/kern/kern_lock.c:-1
sleep_finish(ffffffffffffffff,1) at sleep_finish+0x2d8 sys/kern/kern_synch.c:369
biowait(fffffd806b9656b8) at biowait+0xc6 sys/kern/vfs_bio.c:1242
bwrite(fffffd806b9656b8) at bwrite+0x2e7 sys/kern/vfs_bio.c:754
ffs_write(ffff800037fc0090) at ffs_write+0x810 sys/ufs/ffs/ffs_vnops.c:377
VOP_WRITE(fffffd806417e718,ffff800037fc0248,7,fffffd80097fd138) at VOP_WRITE+0x101 sys/kern/vfs_vops.c:245
vn_write(fffffd806c45c9b8,ffff800037fc0248,0) at vn_write+0x1d3 sys/kern/vfs_vnops.c:408
dofilewritev(ffff8000fffe94e8,9,ffff800037fc0248,0,ffff800037fc0300) at dofilewritev+0x2bd sys/kern/sys_generic.c:384
sys_write(ffff8000fffe94e8,ffff800037fc03b0,ffff800037fc0300) at sys_write+0xa2 sys/kern/sys_generic.c:300
syscall(ffff800037fc03b0) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff800037fc03b0) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:783
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xaeacb15440, count: -15
---
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#syz fix: exact-commit-title
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#syz set subsystems: new-subsystem
(See the list of subsystem names on the web dashboard)
If the report is a duplicate of another one, reply with:
#syz dup: exact-subject-of-another-report
If you want to undo deduplication, reply with:
#syz undup
syzbot found the following issue on:
HEAD commit: 9d790fdba930 catgets(3): set errno when a message isn't fo..
git tree: openbsd
console output: https://syzkaller.appspot.com/x/log.txt?x=108336da580000
kernel config: https://syzkaller.appspot.com/x/.config?x=7058272de1526588
dashboard link: https://syzkaller.appspot.com/bug?extid=839c1d9df91ce3820b90
Unfortunately, I don't have any reproducer for this issue yet.
Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/92457719f111/disk-9d790fdb.raw.xz
bsd.gdb: https://storage.googleapis.com/syzbot-assets/9e878663ae8a/bsd-9d790fdb.gdb.xz
kernel image: https://storage.googleapis.com/syzbot-assets/746d3191b882/kernel-9d790fdb.xz
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+839c1d...@syzkaller.appspotmail.com
kernel: protection fault trap, code=0
Stopped at pf_anchor_global_RB_REMOVE+0x81: movq 0(%r12),%r15
ddb{0}>
ddb{0}> set $lines = 0
ddb{0}> set $maxwidth = 0
ddb{0}> show panic
the kernel did not panic
ddb{0}> trace
pf_anchor_global_RB_REMOVE(ffffffff83a947b8,ffff80000166f250) at pf_anchor_global_RB_REMOVE+0x81 sys/net/pf_ruleset.c:82
pf_remove_if_empty_ruleset(ffff80000166f6e0) at pf_remove_if_empty_ruleset+0x12d sys/net/pf_ruleset.c:301
pfi_dynaddr_setup(ffff80000156cfe8,2,1) at pfi_dynaddr_setup+0x671 sys/net/pf_if.c:508
pf_addr_setup(ffffffff83a94c50,ffff80000156cfe8,2) at pf_addr_setup+0x46 sys/net/pf_ioctl.c:948
pfioctl(14900,cd604404,ffff8000015fc000,2,ffff80002a240d18) at pfioctl+0xa2d9 sys/net/pf_ioctl.c:2403
VOP_IOCTL(fffffd805eb71d88,cd604404,ffff8000015fc000,2,fffffd80097fd138,ffff80002a240d18) at VOP_IOCTL+0xac sys/kern/vfs_vops.c:264
vn_ioctl(fffffd806c7de7c8,cd604404,ffff8000015fc000,ffff80002a240d18) at vn_ioctl+0xf8 sys/kern/vfs_vnops.c:531
sys_ioctl(ffff80002a240d18,ffff80003c411330,ffff80003c411280) at sys_ioctl+0x674 sys/kern/sys_generic.c:-1
syscall(ffff80003c411330) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80003c411330) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:783
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x37a267909e0, count: -10
ddb{0}> show registers
rdi 0xffff80002ab9d000
rsi 0x13f9 __ALIGN_SIZE+0x3f9
rbp 0xffff80003c410cf0
rbx 0xffffffff83a947b8 pf_anchors
rdx 0xffff80002ab9d000
rcx 0x13f8 __ALIGN_SIZE+0x3f8
rax 0xffffffff82c9a13f pf_anchor_global_RB_REMOVE+0x2f
r8 0x3fc
r9 0x1323 __ALIGN_SIZE+0x323
r10 0xe56846876135e6a6
r11 0xab4532069d37978
r12 0xac00e8d022fa382b
r13 0x1
r14 0xffff80000166f250
r15 0xb17b429f71fee342
rip 0xffffffff82c9a191 pf_anchor_global_RB_REMOVE+0x81
cs 0x8
rflags 0x10286 __ALIGN_SIZE+0xf286
rsp 0xffff80003c410ca0
ss 0x10
pf_anchor_global_RB_REMOVE+0x81: movq 0(%r12),%r15
ddb{0}> show proc
PROC (syz-executor) tid=523851 pid=5431 tcnt=2 stat=onproc
flags process=0 proc=4000000<THREAD>
runpri=32, usrpri=50, slppri=32, nice=20
wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0
forw=0xffffffffffffffff, list=0xffff80002a2402b8,0xffffffff839efa38
process=0xffff8000fffec4e8 user=0xffff80003c40c000, vmspace=0xfffffd806c9129a0
estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0
ddb{0}> ps
PID TID PPID UID S FLAGS WAIT COMMAND
5431 505781 79285 0 3 0x80 fsleep syz-executor
* 5431 523851 79285 0 7 0x4000000 syz-executor
95972 490047 71034 0 3 0x80 fsleep syz-executor
95972 268947 71034 0 3 0x4000080 fifor syz-executor
18836 113961 84880 0 3 0x80 fsleep syz-executor
18836 227666 84880 0 3 0x4000080 kqread syz-executor
47200 266538 32333 0 3 0x90 fsleep syz-executor
47200 237020 32333 0 3 0x4000090 pipewr syz-executor
19276 513260 69550 0 3 0x80 fsleep syz-executor
19276 132201 69550 0 3 0x4000080 ttyout syz-executor
36042 521595 18417 0 3 0x80 fsleep syz-executor
36042 175840 18417 0 3 0x4000080 semwait syz-executor
89872 222835 97106 0 3 0x80 fsleep syz-executor
89872 254742 97106 0 7 0x4000000 syz-executor
24303 332731 99939 0 3 0x80 fsleep syz-executor
24303 431513 99939 0 3 0x4000080 sbwait syz-executor
84880 158020 40989 0 3 0x82 nanoslp syz-executor
97106 285158 40989 0 2 0xc82 syz-executor
32333 232249 40989 0 2 0xc82 syz-executor
71034 419863 40989 0 3 0x82 nanoslp syz-executor
69550 434713 40989 0 3 0x82 nanoslp syz-executor
18417 189183 40989 0 3 0x82 nanoslp syz-executor
79285 471699 40989 0 3 0x82 nanoslp syz-executor
99939 313664 40989 0 3 0x82 nanoslp syz-executor
40989 469904 51204 0 3 0x82 kqread syz-executor
51204 241154 39087 0 3 0x10008a sigsusp ksh
39087 489652 86741 0 3 0x98 kqread sshd-session
86741 168870 23680 0 3 0x92 kqread sshd-session
66765 334530 1 0 3 0x100083 ttyin getty
23680 386393 1 0 3 0x88 kqread sshd
19789 286824 45346 74 3 0x1100092 bpf pflogd
45346 53550 1 0 3 0x80 sbwait pflogd
79570 314047 95871 73 3 0x1100090 kqread syslogd
95871 193120 1 0 3 0x100082 sbwait syslogd
81716 203390 1 0 3 0x100080 kqread resolvd
46909 160487 64211 77 3 0x100092 kqread dhcpleased
1274 210779 64211 77 3 0x100092 kqread dhcpleased
64211 248301 1 0 3 0x80 kqread dhcpleased
77862 42612 0 0 3 0x14200 bored smr
98093 35906 0 0 3 0x14200 pgzero zerothread
11344 522211 0 0 3 0x14200 aiodoned aiodoned
18862 420779 0 0 3 0x14200 syncer update
78008 345411 0 0 3 0x14200 cleaner cleaner
55232 361363 0 0 3 0x14200 reaper reaper
3185 521880 0 0 3 0x14200 pgdaemon pagedaemon
84003 206758 0 0 3 0x14200 bored viomb
23840 327805 0 0 3 0x40014200 acpi0 acpi0
56195 359392 0 0 3 0x40014200 idle1
41757 224318 0 0 3 0x14200 bored softnet1
62517 465641 0 0 3 0x14200 bored softnet0
52273 467163 0 0 3 0x14200 bored systqmp
3069 507233 0 0 3 0x14200 bored systq
23448 86521 0 0 3 0x14200 tmoslp softclockmp
49149 216523 0 0 3 0x40014200 tmoslp softclock
65174 141912 0 0 3 0x40014200 idle0
1 53460 0 0 3 0x82 wait init
0 0 -1 0 3 0x10010200 scheduler swapper
ddb{0}> show all locks
Process 5431 (syz-executor) thread 0xffff80002a240d18 (523851)
exclusive rwlock pf_lock r = 0 (0xffffffff838fbfc8)
#0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160
#1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320
#2 pfioctl+0x9cc9 sys/net/pf_ioctl.c:2363
#3 VOP_IOCTL+0xac sys/kern/vfs_vops.c:264
#4 vn_ioctl+0xf8 sys/kern/vfs_vnops.c:531
#5 sys_ioctl+0x674 sys/kern/sys_generic.c:-1
#6 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#6 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:783
#7 Xsyscall+0x128
exclusive rwlock netlock r = 0 (0xffffffff83923520)
#0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160
#1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320
#2 pfioctl+0x9cb4 sys/net/pf_ioctl.c:2362
#3 VOP_IOCTL+0xac sys/kern/vfs_vops.c:264
#4 vn_ioctl+0xf8 sys/kern/vfs_vnops.c:531
#5 sys_ioctl+0x674 sys/kern/sys_generic.c:-1
#6 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#6 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:783
#7 Xsyscall+0x128
exclusive rwlock pfioctl_rw r = 0 (0xffffffff838fc058)
#0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160
#1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320
#2 pfioctl+0x1d4 sys/net/pf_ioctl.c:2102
#3 VOP_IOCTL+0xac sys/kern/vfs_vops.c:264
#4 vn_ioctl+0xf8 sys/kern/vfs_vnops.c:531
#5 sys_ioctl+0x674 sys/kern/sys_generic.c:-1
#6 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#6 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:783
#7 Xsyscall+0x128
exclusive kernel_lock &kernel_lock r = 0 (0xffffffff839708c0)
#0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160
#1 vn_ioctl+0x4d sys/kern/vfs_vnops.c:514
#2 sys_ioctl+0x674 sys/kern/sys_generic.c:-1
#3 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#3 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:783
#4 Xsyscall+0x128
Process 89872 (syz-executor) thread 0xffff8000fffe94e8 (254742)
exclusive rrwlock inode r = 0 (0xfffffd807aaf2ed0)
#0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160
#1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320
#2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:621
#3 VOP_LOCK+0xbd sys/kern/vfs_vops.c:527
#4 vn_lock+0xa4 sys/kern/vfs_vnops.c:570
#5 vn_write+0x18f sys/kern/vfs_vnops.c:405
#6 dofilewritev+0x2bd sys/kern/sys_generic.c:384
#7 sys_write+0xa2 sys/kern/sys_generic.c:300
#8 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#8 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:783
#9 Xsyscall+0x128
ddb{0}> show malloc
Type InUse MemUse HighUse Limit Requests Type Lim
devbuf 11084 12117K 12295K 166960K 12483 0
pcb 18 14K 16K 166960K 133 0
rtable 225 9K 9K 166960K 414 0
pf 43 19K 22K 166960K 103 0
ifaddr 42 6K 7K 166960K 64 0
ifgroup 62 2K 2K 166960K 101 0
sysctl 4 1K 9K 166960K 9 0
counters 84 38K 38K 166960K 114 0
ioctlops 1 4K 4K 166960K 1576 0
iov 0 0K 16K 166960K 51 0
mount 1 1K 1K 166960K 1 0
log 0 0K 0K 166960K 4 0
vnodes 1366 86K 87K 166960K 1651 0
UFS quota 1 32K 32K 166960K 1 0
UFS mount 5 36K 36K 166960K 5 0
shm 2 20K 24K 166960K 12 0
VM map 2 1K 1K 166960K 2 0
sem 12 0K 0K 166960K 19 0
dirhash 12 2K 2K 166960K 12 0
ACPI 1692 195K 286K 166960K 12470 0
file desc 18 65K 97K 166960K 401 0
sigio 1 0K 0K 166960K 2 0
proc 72 115K 180K 166960K 587 0
subproc 72 4K 4K 166960K 74 0
NFS srvsock 1 0K 0K 166960K 1 0
NFS daemon 1 16K 16K 166960K 1 0
ip_moptions 1 0K 0K 166960K 33 0
in_multi 78 5K 7K 166960K 117 0
ether_multi 1 0K 0K 166960K 7 0
mrt 0 0K 0K 166960K 13 0
ISOFS mount 1 32K 32K 166960K 1 0
MSDOSFS mount 1 16K 16K 166960K 1 0
ttys 79 360K 360K 166960K 79 0
exec 0 0K 1K 166960K 396 0
fusefs mount 1 32K 32K 166960K 1 0
tdb 3 0K 0K 166960K 3 0
VM swap 8 62K 64K 166960K 10 0
UVM amap 240 159K 178K 166960K 5474 0
UVM aobj 8 4K 4K 166960K 11 0
pinsyscall 43 86K 108K 166960K 1548 0
memdesc 1 4K 4K 166960K 1 0
crypto data 1 1K 1K 166960K 1 0
ip6_options 2 0K 0K 166960K 9 0
NDP 16 0K 2K 166960K 42 0
temp 45 9076K 9140K 166960K 22273 0
kqueue 17 26K 26K 166960K 79 0
SYN cache 2 8K 16K 166960K 3 0
ddb{0}> show all pools
Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle
plcache 128 26 0 0 1 0 1 1 0 8 0
rtpcb 120 47 0 44 1 0 1 1 0 8 0
rtentry 176 115 0 22 6 0 6 6 0 8 1
unpcb 144 173 0 150 2 0 2 2 0 8 0
syncache 336 5 0 5 2 1 1 1 0 8 1
tcpcb 736 72 0 66 1 0 1 1 0 8 0
arp 136 18 0 2 1 0 1 1 0 8 0
inpcb 328 313 0 303 7 2 5 7 0 8 3
nd6 152 25 0 6 1 0 1 1 0 8 0
pkpcb 40 5 0 5 2 1 1 1 0 8 1
kcovpl 48 8 0 0 1 0 1 1 0 8 0
ppxss 1192 15 0 9 2 1 1 1 0 8 0
pppxif 1576 3 0 3 1 0 1 1 0 8 1
pffrag 232 2 0 0 1 0 1 1 0 482 0
pffrnode 88 2 0 0 1 0 1 1 0 8 0
pffrent 40 4 0 1 1 0 1 1 0 8 0
pfosfp 40 1428 0 1005 5 0 5 5 0 8 0
pfosfpen 112 1428 0 714 21 0 21 21 0 8 0
pfrktable 1344 4 3 3 1 0 1 1 0 8 0
pfanchor 1288 2 0 2 1 0 1 1 0 8 1
pfstitem 24 34 0 1 1 0 1 1 0 8 0
pfstkey 128 34 0 1 2 0 2 2 0 8 0
pfstate 448 34 0 1 4 0 4 4 0 8 0
pfrule 1360 25 0 19 2 1 1 2 0 8 0
art_heap8 4096 1 0 0 1 0 1 1 0 8 0
art_heap4 256 467 0 96 29 1 28 29 0 8 2
art_table 40 468 0 96 5 0 5 5 0 8 0
art_node 32 115 0 30 1 0 1 1 0 8 0
sysvmsgpl 40 3 0 2 1 0 1 1 0 8 0
semupl 112 1 0 1 1 1 0 1 0 8 0
semapl 112 17 0 7 1 0 1 1 0 8 0
shmpl 112 8 0 3 1 0 1 1 0 8 0
dirhash 1024 17 0 0 3 0 3 3 0 8 0
dino2pl 256 2132 0 664 93 0 93 93 0 8 0
ffsino 296 2132 0 664 114 0 114 114 0 8 0
nchpl 144 2676 0 970 64 0 64 64 0 8 0
rtmask 32 4 0 2 3 2 1 1 0 8 0
vnodes 216 2375 0 0 132 0 132 132 0 8 0
namei 1024 8484 0 8484 2 1 1 1 0 8 1
percpumem 16 72 0 15 1 0 1 1 0 8 0
pfiaddrpl 120 3 0 2 1 0 1 1 0 8 0
kstatmem 264 56 0 20 3 0 3 3 0 8 0
scsiplug 72 2 0 2 1 0 1 1 0 8 1
scxspl 216 16530 0 16530 11 3 8 8 1 8 8
plimitpl 152 72 0 54 1 0 1 1 0 8 0
sigapl 424 716 0 668 8 2 6 7 0 8 0
knotepl 120 304 0 0 10 0 10 10 0 8 0
kqueuepl 224 105 0 89 1 0 1 1 0 8 0
pipepl 344 137 0 109 3 0 3 3 0 8 0
fdescpl 528 699 0 667 3 0 3 3 0 8 0
filepl 160 3250 0 3005 13 2 11 13 0 8 0
lockfpl 104 119 0 116 1 0 1 1 0 8 0
lockfspl 48 50 0 47 1 0 1 1 0 8 0
sessionpl 144 96 0 87 1 0 1 1 0 8 0
pgrppl 48 108 0 91 1 0 1 1 0 8 0
ucredpl 104 376 0 361 1 0 1 1 0 8 0
zombiepl 144 668 0 668 1 0 1 1 0 8 1
processpl 1232 716 0 668 5 1 4 5 0 8 0
procpl 664 1141 0 1085 7 1 6 6 0 8 1
sockpl 752 545 0 509 10 2 8 10 0 8 4
mcl64k 65536 5 0 0 1 0 1 1 0 8 0
mcl16k 16384 6 0 0 1 0 1 1 0 8 0
mcl12k 12288 1 0 0 1 0 1 1 0 8 0
mcl9k 9216 1 0 0 1 0 1 1 0 8 0
mcl8k 8192 2 0 0 1 0 1 1 0 8 0
mcl4k 4096 112 0 0 14 0 14 14 0 8 0
mcl2k 2048 19 0 0 3 0 3 3 0 8 0
mtagpl 96 3 0 0 1 0 1 1 0 8 0
mbufpl 256 189 0 0 12 0 12 12 0 8 0
bufpl 280 8833 0 2562 449 0 449 449 0 8 0
anonpl 32 8576 0 0 70 0 70 70 0 246 0
amapchunkpl 152 17818 0 17247 30 0 30 30 0 158 6
amappl16 200 2802 0 2767 20 5 15 15 0 8 6
amappl15 192 6 0 6 1 1 0 1 0 8 0
amappl14 184 530 0 529 1 0 1 1 0 8 0
amappl13 176 123 0 111 1 0 1 1 0 8 0
amappl12 168 946 0 915 2 0 2 2 0 8 0
amappl11 160 7 0 7 1 1 0 1 0 8 0
amappl10 152 68 0 53 1 0 1 1 0 8 0
amappl9 144 264 0 264 1 1 0 1 0 8 0
amappl8 136 115 0 113 1 0 1 1 0 8 0
amappl7 128 173 0 160 1 0 1 1 0 8 0
amappl6 120 165 0 164 1 0 1 1 0 8 0
amappl5 112 100 0 89 1 0 1 1 0 8 0
amappl4 104 293 0 273 1 0 1 1 0 8 0
amappl3 96 3236 0 3116 4 0 4 4 0 8 1
amappl2 88 528 0 467 2 0 2 2 0 8 0
amappl1 80 10914 0 10305 16 0 16 16 0 8 2
amappl 88 4699 0 4531 5 0 5 5 0 92 1
uvmvnodes 80 109 0 0 3 0 3 3 0 8 0
dma4096 4096 1 0 1 1 1 0 1 0 8 0
dma2048 2048 1 0 1 1 0 1 1 0 8 1
dma1024 1024 1 0 0 1 0 1 1 0 8 0
dma256 256 6 0 6 1 1 0 1 0 8 0
dma128 128 254 0 254 2 1 1 1 0 8 1
dma64 64 6 0 6 1 1 0 1 0 8 0
dma32 32 7 0 7 1 1 0 1 0 8 0
dma16 16 18 0 17 1 0 1 1 0 8 0
aobjpl 72 10 0 3 1 0 1 1 0 8 0
uaddrrnd 24 699 0 667 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 699 0 667 1 0 1 1 0 8 0
vmmpekpl 168 7340 0 7305 2 0 2 2 0 8 0
vmmpepl 168 52832 0 50855 97 0 97 97 0 357 4
vmsppl 488 698 0 667 5 0 5 5 0 8 1
rwobjpl 80 17768 0 16708 29 2 27 27 0 8 0
pdppl 4096 1405 0 1334 107 36 71 87 0 8 0
pvpl 32 15591 0 0 126 0 126 126 0 265 0
pmappl 256 698 0 667 3 0 3 3 0 8 0
extentpl 40 45 0 27 1 0 1 1 0 8 0
phpool 112 283 0 42 8 0 8 8 0 8 0
ddb{0}> machine ddbcpu 0
Invalid cpu 0
ddb{0}> trace
pf_anchor_global_RB_REMOVE(ffffffff83a947b8,ffff80000166f250) at pf_anchor_global_RB_REMOVE+0x81 sys/net/pf_ruleset.c:82
pf_remove_if_empty_ruleset(ffff80000166f6e0) at pf_remove_if_empty_ruleset+0x12d sys/net/pf_ruleset.c:301
pfi_dynaddr_setup(ffff80000156cfe8,2,1) at pfi_dynaddr_setup+0x671 sys/net/pf_if.c:508
pf_addr_setup(ffffffff83a94c50,ffff80000156cfe8,2) at pf_addr_setup+0x46 sys/net/pf_ioctl.c:948
pfioctl(14900,cd604404,ffff8000015fc000,2,ffff80002a240d18) at pfioctl+0xa2d9 sys/net/pf_ioctl.c:2403
VOP_IOCTL(fffffd805eb71d88,cd604404,ffff8000015fc000,2,fffffd80097fd138,ffff80002a240d18) at VOP_IOCTL+0xac sys/kern/vfs_vops.c:264
vn_ioctl(fffffd806c7de7c8,cd604404,ffff8000015fc000,ffff80002a240d18) at vn_ioctl+0xf8 sys/kern/vfs_vnops.c:531
sys_ioctl(ffff80002a240d18,ffff80003c411330,ffff80003c411280) at sys_ioctl+0x674 sys/kern/sys_generic.c:-1
syscall(ffff80003c411330) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80003c411330) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:783
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x37a267909e0, count: -10
ddb{0}> machine ddbcpu 1
Stopped at x86_ipi_db+0x27: addq $0x8,%rsp
ddb{1}> trace
x86_ipi_db(ffff8000299bdff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:394
x86_ipi_handler() at x86_ipi_handler+0xd9 sys/arch/amd64/amd64/ipi.c:106
Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27
__mp_lock(ffffffff839700c0) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:142 [inline]
__mp_lock(ffffffff839700c0) at __mp_lock+0x192 sys/kern/kern_lock.c:173
__mp_acquire_count(ffffffff839700c0,1) at __mp_acquire_count+0x58 sys/kern/kern_lock.c:-1
sleep_finish(ffffffffffffffff,1) at sleep_finish+0x2d8 sys/kern/kern_synch.c:369
biowait(fffffd806b9656b8) at biowait+0xc6 sys/kern/vfs_bio.c:1242
bwrite(fffffd806b9656b8) at bwrite+0x2e7 sys/kern/vfs_bio.c:754
ffs_write(ffff800037fc0090) at ffs_write+0x810 sys/ufs/ffs/ffs_vnops.c:377
VOP_WRITE(fffffd806417e718,ffff800037fc0248,7,fffffd80097fd138) at VOP_WRITE+0x101 sys/kern/vfs_vops.c:245
vn_write(fffffd806c45c9b8,ffff800037fc0248,0) at vn_write+0x1d3 sys/kern/vfs_vnops.c:408
dofilewritev(ffff8000fffe94e8,9,ffff800037fc0248,0,ffff800037fc0300) at dofilewritev+0x2bd sys/kern/sys_generic.c:384
sys_write(ffff8000fffe94e8,ffff800037fc03b0,ffff800037fc0300) at sys_write+0xa2 sys/kern/sys_generic.c:300
syscall(ffff800037fc03b0) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff800037fc03b0) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:783
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xaeacb15440, count: -15
---
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https://goo.gl/tpsmEJ#status for how to communicate with syzbot.
If the report is already addressed, let syzbot know by replying with:
#syz fix: exact-commit-title
If you want to overwrite report's subsystems, reply with:
#syz set subsystems: new-subsystem
(See the list of subsystem names on the web dashboard)
If the report is a duplicate of another one, reply with:
#syz dup: exact-subject-of-another-report
If you want to undo deduplication, reply with:
#syz undup
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